diff --git a/src/main/java/com/diareat/diareat/auth/controller/AuthController.java b/src/main/java/com/diareat/diareat/auth/controller/AuthController.java
new file mode 100644
index 0000000..6682d22
--- /dev/null
+++ b/src/main/java/com/diareat/diareat/auth/controller/AuthController.java
@@ -0,0 +1,45 @@
+package com.diareat.diareat.auth.controller;
+
+import com.diareat.diareat.auth.component.JwtTokenProvider;
+import com.diareat.diareat.auth.service.KakaoAuthService;
+import com.diareat.diareat.user.dto.CreateUserDto;
+import com.diareat.diareat.user.service.UserService;
+import com.diareat.diareat.util.api.ApiResponse;
+import com.diareat.diareat.util.api.ResponseCode;
+import io.swagger.annotations.Api;
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+
+@Api(tags = "2. Auth")
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/api/auth")
+public class AuthController {
+
+    private final UserService userService;
+    private final KakaoAuthService kakaoAuthService;
+    private final JwtTokenProvider jwtTokenProvider;
+
+    // 카카오 로그인을 위해 회원가입 여부 확인, 이미 회원이면 Jwt 토큰 발급
+    @Operation(summary = "[로그인] 카카오로그인 및 토큰 발급", description = "카카오 로그인을 위해 회원가입 여부를 확인하고, 이미 회원이면 Jwt 토큰을 발급합니다.")
+    @PostMapping("/login")
+    public ApiResponse<HashMap<Long, String>> authCheck(@RequestHeader String accessToken) {
+        Long userId = kakaoAuthService.isSignedUp(accessToken); // 유저 고유번호 추출
+        HashMap<Long, String> map = new HashMap<>();
+        map.put(userId, jwtTokenProvider.createToken(userId.toString()));
+        return ApiResponse.success(map, ResponseCode.USER_LOGIN_SUCCESS.getMessage());
+    }
+
+    // 회원가입 (성공 시 Jwt 토큰 발급)
+    @Operation(summary = "[회원가입] 회원가입 및 토큰 발급", description = "신규 회원가입을 처리하고, 회원가입 성공 시 Jwt 토큰을 발급합니다.")
+    @PostMapping("/join")
+    public ApiResponse<HashMap<Long, String>> saveUser(CreateUserDto createUserDto) {
+        Long userId = userService.saveUser(createUserDto);
+        HashMap<Long, String> map = new HashMap<>();
+        map.put(userId, jwtTokenProvider.createToken(userId.toString()));
+        return ApiResponse.success(map, ResponseCode.USER_CREATE_SUCCESS.getMessage());
+    }
+}